[INFO] cloning repository https://github.com/SlNPacifist/hashcode-2020-qual
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SlNPacifist/hashcode-2020-qual" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlNPacifist%2Fhashcode-2020-qual", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlNPacifist%2Fhashcode-2020-qual'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50be186c1c473f5b759bf2d9e55345e3a242acac
[INFO] checking SlNPacifist/hashcode-2020-qual against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlNPacifist%2Fhashcode-2020-qual" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SlNPacifist/hashcode-2020-qual on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SlNPacifist/hashcode-2020-qual
[INFO] finished tweaking git repo https://github.com/SlNPacifist/hashcode-2020-qual
[INFO] tweaked toml for git repo https://github.com/SlNPacifist/hashcode-2020-qual written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/SlNPacifist/hashcode-2020-qual already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bae9fbaecbd8cd6a5abe752cdb994bc9ca92e199dabaac01468cb4a08eba809
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8bae9fbaecbd8cd6a5abe752cdb994bc9ca92e199dabaac01468cb4a08eba809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bae9fbaecbd8cd6a5abe752cdb994bc9ca92e199dabaac01468cb4a08eba809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bae9fbaecbd8cd6a5abe752cdb994bc9ca92e199dabaac01468cb4a08eba809", kill_on_drop: false }`
[INFO] [stdout] 8bae9fbaecbd8cd6a5abe752cdb994bc9ca92e199dabaac01468cb4a08eba809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86937a17fd36ec30f1420128db906f4e2e2b5820774d9c6f10f415fb70f0a15a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86937a17fd36ec30f1420128db906f4e2e2b5820774d9c6f10f415fb70f0a15a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking books v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solve_b`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn solve_b(problem: &Problem) -> Solution {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `use_norm` should have an upper case name
[INFO] [stdout]    --> src/main.rs:244:11
[INFO] [stdout]     |
[INFO] [stdout] 244 |     const use_norm: bool = true;
[INFO] [stdout]     |           ^^^^^^^^ help: convert the identifier to upper case: `USE_NORM`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_b`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn solve_b(problem: &Problem) -> Solution {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `use_norm` should have an upper case name
[INFO] [stdout]    --> src/main.rs:244:11
[INFO] [stdout]     |
[INFO] [stdout] 244 |     const use_norm: bool = true;
[INFO] [stdout]     |           ^^^^^^^^ help: convert the identifier to upper case: `USE_NORM`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "86937a17fd36ec30f1420128db906f4e2e2b5820774d9c6f10f415fb70f0a15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86937a17fd36ec30f1420128db906f4e2e2b5820774d9c6f10f415fb70f0a15a", kill_on_drop: false }`
[INFO] [stdout] 86937a17fd36ec30f1420128db906f4e2e2b5820774d9c6f10f415fb70f0a15a